Fragrance recipe/composition from target temporal odour profiles

Abstract

In order to provide a more reliable process for target temporal odour producing fragrance products, a computer-implemented method ( 100 ) is provided for generating a recipe profile of a fragrance product having a target temporal odour profile, wherein the fragrance product comprises a fragrance composition with one or a plurality of fragrance ingredient(s), the computer-implemente d method comprising the steps of: a) providing ( 110 ) the target temporal odour profile, wherein the target temporal odour profile comprises a time-dependent fractural amount of a plurality of odour families over a predetermined period of time, which is indicative of a desired evaporation behaviour of each odour family in the fragrance composition; b) providing ( 120 ), for each odour family, one or more fragrance ingredients having olfactive contributions matching the respective odour family; c) selecting ( 130 ) at least one ingredient from each odour family to form one or more recipes of the fragrance product, wherein each recipe comprises fragrance composition data associated with the fragrance ingredients of the recipe; d) determining ( 140 ) a temporal odour profile for each recipe; e) determining ( 150 ) a distance of each determined temporal odour profile of the one or more recipes to the target temporal odour profile of the fragrance product; f) selecting ( 160 ) at least one recipe from the one or more recipes that has a distance satisfying a predefined criterion; and g) providing ( 170 ) a recipe profile of the at least one selected recipe preferably usable for production of the fragrance product.

1 .- 17 . (canceled) 
     
     
         18 . A computer-implemented method ( 100 ) for generating a recipe profile of a fragrance product having a target temporal odour profile, wherein the fragrance product comprises a fragrance composition with one or a plurality of fragrance ingredient(s), comprising the steps of:
 a) providing ( 110 ) the target temporal odour profile, wherein the target temporal odour profile comprises a time-dependent fractural amount of a plurality of odour families over a predetermined period of time, which is indicative of a desired evaporation behaviour of each odour family in the fragrance composition;   b) providing ( 120 ), for each odour family, one or more fragrance ingredients having olfactive contributions matching the respective odour family;   c) selecting ( 130 ) at least one ingredient from each odour family to form one or more recipes of the fragrance product, wherein each recipe comprises fragrance composition data associated with the fragrance ingredients of the recipe;   d) determining ( 140 ) a temporal odour profile for each recipe;   e) determining ( 150 ) a distance of each determined temporal odour profile of the one or more recipes to the target temporal odour profile of the fragrance product;   f) selecting ( 160 ) at least one recipe from the one or more recipes that has a distance satisfying a predefined criterion; and   g) providing ( 170 ) a recipe profile of the at least one selected recipe preferably usable for production of the fragrance product.   
     
     
         19 . The computer-implemented method according to  claim 18 ,
 wherein the fragrance product further comprises a matrix; and   wherein each recipe further comprises matrix data associated with the matrix.   
     
     
         20 . The computer-implemented method according to  claim 18 , further comprising:
 receiving a measured performance characteristic of the fragrance product produced according to the provided recipe profile, wherein the measured performance characteristic is indicative of a temporal odour profile of the produced fragrance product;   determining a distance between the temporal odour profile of the produced fragrance product and the target temporal odour profile; and   providing, based on the distance, an updated recipe profile of the fragrance product.   
     
     
         21 . The computer-implemented method according to  claim 18 ,
 wherein steps c)-f) are performed in an iterative process to determine the at least one recipe.   
     
     
         22 . The computer-implemented method according to  claim 18 ,
 wherein the target temporal odour profile comprises a plurality of evaporation regimes over the predetermined period of time, wherein in each of the plurality of evaporation regimes a fractural amount of odour families are defined.   
     
     
         23 . The computer-implemented method according to  claim 18 ,
 wherein in step b) the plurality of fragrance ingredients is refined by selecting fragrance ingredients with a particular performance characteristic including a particular physical characteristic, a particular chemical characteristic, or a combination thereof.   
     
     
         24 . The computer-implemented method according to  claim 18 ,
 wherein in step b) the plurality of fragrance ingredients is provided by including mandatory ingredients and/or excluding undesired ingredients.   
     
     
         25 . The computer-implemented method according to  claim 18 ,
 wherein step d) further comprises:
 d1) receiving ( 140   a ) a recipe that comprises fragrance composition data associated with one or more fragrance ingredients of the fragrance composition; 
 d2) providing ( 140   b ) a vapour pressure of each fragrance ingredient based on the fragrance ingredients data; 
 d3) determining ( 140   c ), based on the fragrance ingredients data, a time-dependent interaction coefficient of each fragrance ingredient in a condensed phase of the fragrance composition over a predetermined period of time; 
 d4) generating ( 140   d ), based on the provided vapour pressure and the determined time-dependent interaction coefficient, the temporal evaporation profile of the fragrance product, wherein the temporal evaporation profile is related to a time-dependent quantity associated with the evaporation behaviour of each fragrance ingredient of the fragrance product over the predetermined period of time; and 
 d5) providing ( 140   e ) the generated temporal evaporation profile for the recipe. 
   
     
     
         26 . The computer-implemented method according to  claim 25 ,
 wherein the received receipt further comprises matrix data associated with the matrix; and   wherein in step d3), the time-dependent interaction coefficient of each fragrance ingredient in a condensed phase of the fragrance composition in the matrix over a predetermined period of time is determined based on the fragrance ingredients data and the matrix data.   
     
     
         27 . The computer-implemented method according to  claim 25 ,
 wherein a composition of the gas phase and/or the condensed phase, the interaction coefficient for each fragrance ingredient, the vapour pressure for each fragrance ingredient, or the time-dependent quantity associated with the evaporation behaviour for each fragrance ingredient is determined in a time dependent manner.   
     
     
         28 . The computer-implemented method according to  claim 18 , further comprising:
 generating a control file based on the recipe profile of the at least one selected recipe, which is usable for controlling production of the fragrance product.   
     
     
         29 . A method for monitoring production of a fragrance product, the method comprising the steps of:
 providing ( 220 ) a target temporal evaporation profile;   providing ( 222 ) a performance characteristic of a produced fragrance product that has a recipe profile generated according to the method of  claim 18 ; and   comparing ( 224 ) the performance characteristic with the target temporal evaporation profile to determine if the produced fragrance product fulfils predetermined quality criteria.   
     
     
         30 . A method for validating production of a fragrance product, the method comprising the steps of:
 providing ( 234 ) an existing temporal evaporation profile for a fragrance composition that has been produced from validated precursors;   generating ( 236 ) a recipe profile based on the existing temporal evaporation profile according to the method of  claim 18 , wherein the recipe profile comprises an ingredient identifier and related property data, which are associated with at least one new precursor; and   comparing a performance characteristic of a fragrance product produced using the recipe profile and the existing temporal evaporation profile to validate the at least one new precursor.   
     
     
         31 . An apparatus for generating a recipe profile of a fragrance product having a target temporal odour profile, wherein the fragrance product comprises a fragrance composition with one or a plurality of fragrance ingredient(s) and a matrix, the apparatus comprising one or more processing unit(s) configured to generate the recipe profile of the fragrance product, wherein the processing unit(s) include instructions, which when executed on the one or more processing unit(s) execute the method steps of  claim 18 . 
     
     
         32 . An apparatus for monitoring production of a fragrance product, the apparatus comprising one or more processing unit(s) configured to monitor production, wherein the processing unit(s) include instructions, which when executed on the one or more processing unit(s) execute the method steps of  claim 29 . 
     
     
         33 . A computer program element comprising instructions, which when executed by a processing unit, cause the processing unit to carry out the steps of the method of  claim 18 . 
     
     
         34 . Use of recipe profile generated in a method according to  claim 18  for quality control and/or verification purposes.